v3.26.1
Cash and borrowings - Liquidity risk exposures (Details)
€ in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
item
Dec. 31, 2025
EUR (€)
Dec. 31, 2024
EUR (€)
Disclosure of detailed information about borrowings [line items]        
Number of bonds | item   2    
Gain on repurchase of bonds $ 10      
Outstanding amount 3,111 $ 3,125    
Committed facilities        
Disclosure of detailed information about borrowings [line items]        
Committed facilities 4,100 4,100    
Outstanding amount 3,100 3,100    
Syndicated revolving credit facility        
Disclosure of detailed information about borrowings [line items]        
Amount contracted 1,000      
Syndicated Revolving Credit Facility Maturing June 2025        
Disclosure of detailed information about borrowings [line items]        
Amount contracted   1,000    
3.99% Senior Notes Maturing January 2026        
Disclosure of detailed information about borrowings [line items]        
Amount contracted $ 75 $ 75    
Interest rate 3.99% 3.99% 3.99% 3.99%
Corporate Bond Maturing March 2027        
Disclosure of detailed information about borrowings [line items]        
Amount contracted $ 350 $ 350    
Interest rate 5.15% 5.15% 5.15% 5.15%
2.83% Senior Notes Maturing June 2027        
Disclosure of detailed information about borrowings [line items]        
Amount contracted $ 140 $ 140    
Interest rate 2.83% 2.83% 2.83% 2.83%
2.90% Senior Notes Maturing June 2028        
Disclosure of detailed information about borrowings [line items]        
Amount contracted $ 60 $ 60    
Interest rate 2.90% 2.90% 2.90% 2.90%
2.97% Senior Notes Maturing June 2029        
Disclosure of detailed information about borrowings [line items]        
Amount contracted $ 100 $ 100    
Interest rate 2.97% 2.97% 2.97% 2.97%
4.565% Corporate Bond Maturing October 2029        
Disclosure of detailed information about borrowings [line items]        
Amount contracted | €     € 500 € 500
Interest rate 4.565% 4.565% 4.565% 4.565%
2.99% Senior Notes Maturing June 2030        
Disclosure of detailed information about borrowings [line items]        
Amount contracted $ 95 $ 95    
Interest rate 2.99% 2.99% 2.99% 2.99%
2.032% Corporate Bond Maturing October 2030        
Disclosure of detailed information about borrowings [line items]        
Repurchase of borrowings $ 100      
Repayments of bonds, notes and debentures 90      
Amount contracted 900 $ 1,000    
Gains on early repayments of borrowings $ 10      
Interest rate 2.032% 2.032% 2.032% 2.032%
3.09% Senior Notes Maturity June 2032        
Disclosure of detailed information about borrowings [line items]        
Amount contracted $ 155 $ 155    
Interest rate 3.09% 3.09% 3.09% 3.09%
Corporate Bond Maturing March 2034        
Disclosure of detailed information about borrowings [line items]        
Amount contracted $ 650 $ 650    
Interest rate 5.40% 5.40% 5.40% 5.40%
Private placement debt        
Disclosure of detailed information about borrowings [line items]        
Repayment of debt   $ 405    
Leverage Ratio 3.5      
Private placement debt | Maximum        
Disclosure of detailed information about borrowings [line items]        
Leverage Ratio 3.5